<?php

namespace backend\models;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\models\GraduationEligibleStudent;

/**
 * GraduationEligibleStudentSearch represents the model behind the search form of `backend\models\GraduationEligibleStudent`.
 */
class GraduationEligibleStudentSearch extends GraduationEligibleStudent
{
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['BYZGSHID', 'XSID'], 'integer'],
            [['XSXM', 'XB', 'SFZHM', 'GGJCK', 'ZYJNK', 'CX', 'BYSX', 'BYZBH', 'SHZT'], 'safe'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = GraduationEligibleStudent::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'BYZGSHID' => $this->BYZGSHID,
            'XSID' => $this->XSID,
        ]);

        $query->andFilterWhere(['like', 'XSXM', $this->XSXM])
            ->andFilterWhere(['like', 'XB', $this->XB])
            ->andFilterWhere(['like', 'SFZHM', $this->SFZHM])
            ->andFilterWhere(['like', 'GGJCK', $this->GGJCK])
            ->andFilterWhere(['like', 'ZYJNK', $this->ZYJNK])
            ->andFilterWhere(['like', 'CX', $this->CX])
            ->andFilterWhere(['like', 'BYSX', $this->BYSX])
            ->andFilterWhere(['like', 'BYZBH', $this->BYZBH])
            ->andFilterWhere(['like', 'SHZT', $this->SHZT]);

        return $dataProvider;
    }
}
